Ecological Bulletins, Bulletin 45, Plant Ecology in the Sub-Artic Swedish Lapland

Introduction The Abisko Scientific Research Station.

N. ?. Andersson, T. V. Callaghan and P. S. Karlsson.

Subarctic plant communities and their environment.

Holocene forest dynamics and climate changes in the Abisko area, northern Sweden - the Sonesson model of vegetation history reconsidered and confirmed B. E. Berglund, L. Barnekow, D. Hammarlund, P. Sandgren and I. F. Snowball.

Modelling and measuring evapotranspiration in a mountain birch forest M. Ovhed and B. Holmgren.

The resource economy of subarctic plants and ecosystems.

Nutrient cycling in subarctic and arctic ecosystems, with special reference to the Abisko and Tornetrask region S. Jonasson and A. Michelsen.

Resource dynamics within arctic clonal plants I. S. Jonsdottir, T. V. Callaghan and A. D. Headley.

Treeline ecology of mountain birch in the Tornetrask area B. Sveinbjornsson, H. Kauhanen and O. Nordell.

Relationships between nitrogen economy and performance in the mountain birch Betula pubescens ssp. Tortuosa P. S. Karlsson and M. Weih.

Peat formation and mass balance in subarctic ombrotrophic peatlands around Abisko, northern Scandinavia N. Malmer and B. Wallen.

A cross-continental comparison of phenology, leaf dynamics and dry matter allocation in arctic and temperate zone herbaceous plants from contrasting altitudes S. Prock and C. Korner.

Hazards to a mountain birch forest - Abisko in perspective O. Tenow.

The significance of carnivory for three Pinguicula species in a subarctic environment.

P. S. Karlsson, B. M. Svensson and B. ?. Carlsson.

Photosynthetic characteristics of subarctic mosses and lichens B. Schipperges and C. Gehrke.

Population processes in subarctic plants.

Resource investment in reproduction and its consequences for subarctic plants L. M. Thoren, A. M. Hemborg and P. S. Karlsson.

Some apparently paradoxical aspects of the life cycles, demography and population dynamics of plants from the subarctic Abisko area T. V. Callaghan, B. ?. Carlsson and B. M. Svensson.

A comparison of photosynthetic performance and leaf carbon gain of temperate and subarctic genotypes of Geum rivale and Ranunculus acris in northern Sweden M. Diemer.

Interactions between hemiparasitic angiosperms and their hosts in the subarctic M. C. Press and W. E. Seel.

Global change.

Summer air temperatures and tree line dynamics at Abisko B. Holmgren and M. Tjus.

Photo documentation of landscape change in northern Swedish mountains A. Rapp.

Direct and indirect effects of increasing temperatures on subarctic ecosystems S. Jonasson, J. A. Lee, T. V. Callaghan, M. Havstrom and A. N. Parsons.

Effects of enhanced ultraviolet-B radiation on terrestrial subarctic ecosystems and implications for interactions with increased atmospheric CO2 C. Gehrke, U. Johansson, D. Gwynn-Jones, L. O. Bjorn, T. V. Callaghan and J. A Lee.

Monitoring and modelling of the radiation climate at Abisko L. O. Bjorn and B. Holmgren.

Climatic impacts on flowering, growth, and vigour in an arctic-alpine cushion plant, Diapensia lapponica, under different snow cover regimes U. Molau.

Conclusion.

Plant ecology in subarctic Swedish Lapland: summary and conclusions T. V. Callaghan and P. S. Karlsson